Flux CD vs PipeCD
Flux CD
fluxcd.io
PipeCD
pipecd.devSide by side
| Figure | Flux CD | PipeCD |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | Yes |
| Web | — | Yes |
| Windows | Yes | — |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · GitOps Tools | 8.7 (#4) | 8.5 (#8) |
| Spec score · Kubernetes Deployment Tools | 8.6 (#6) | 8.4 (#8) |
| Spec score · Continuous Delivery Software | 8.5 (#8) | 8.3 (#13) |
| Integrations | The project lists GitHub, GitLab, Bitbucket, S3-compatible buckets, OCI, container registries, and CI workflow providers as supported integrations. | Analysis providers include Prometheus, Datadog and Stackdriver, while notifications can be sent to Slack or webhook endpoints. |
| Multi-tenancy | Flux uses Kubernetes RBAC through impersonation and supports multiple Git repositories and multi-cluster management. | Multi-cluster and multi-tenant operation is implemented by separating the control plane from piped agents. |
| Notifications | Flux supports alerts to external systems and can notify chat systems such as Slack when configuration is synced and ready. | Deployment notifications can be sent to Slack and webhook endpoints. |
| Product | Flux is a set of open and extensible continuous and progressive delivery solutions for Kubernetes. | PipeCD is a GitOps-style continuous delivery platform for consistent deployment and operations across applications. |
| Progressive delivery | With Flagger, Flux supports canary deployments, feature flags, and A/B rollouts. | Deployment plugins provide canary and blue-green rollout modes for Kubernetes applications. |
| Project status | Flux is a CNCF Graduated project. | PipeCD is released as open source under the Apache 2.0 license. |
| Security | The project describes a pull-based model, least-privilege access, and adherence to Kubernetes security policies as security design principles. | PipeCD supports single sign-on and role-based access control, keeps credentials out of the control plane and makes only outbound requests from piped. |
| Support | Flux is a vendor-neutral CNCF project maintained by volunteers; 24/7 support, SLAs, hardened images, and private consulting are available through commercial vendors such as ControlPlane. | The project directs users to documentation, GitHub issues and discussions, and the CNCF Slack #pipecd channel for help. |
Plans
In their own words
Flux CD
Flux CD is a free, open-source set of continuous and progressive delivery tools for Kubernetes. It uses GitOps to reconcile clusters with configuration from sources such as Git repositories, and manages Kubernetes resources along with infrastructure and workload dependencies. Integrations include GitHub, GitLab, Bitbucket, S3-compatible buckets, OCI, container registries, Helm, and Kustomize. With Flagger, it supports canary deployments, feature flags, and A/B rollouts; it can also scan container images and push automated updates back to Git. Flux can send alerts to external systems, including chat systems such as Slack. For multi-tenancy, it uses Kubernetes RBAC through impersonation and supports multiple repositories and clusters. Its CLI and controller images are signed, and controller deployments follow the Kubernetes restricted pod security standard. Flux does not provide its own UI, although third-party interfaces are available. Installation requires cluster-admin rights, and older end-of-life Kubernetes versions are unsupported; the listed minimum versions begin at v1.34.1 for v1.34.
PipeCD
PipeCD is a self-hosted continuous delivery platform that coordinates deployments through Git pull requests. Its shared deployment interface supports Kubernetes, Terraform, GCP Cloud Run, AWS Lambda, AWS ECS and other targets, while plugins let teams add custom applications or platforms. PipeCD says deployment setup needs a pipeline definition and application manifests, without changes to CRDs or application manifests. Built-in analysis assesses deployment impact with metrics, logs and emitted requests; the platform can roll back after analysis or pipeline-stage failures, detect configuration drift and launch deployments from defined events. Its UI presents deployment pipelines, per-deployment logs, live application state and delivery-performance insights. A centralized Control Plane works with piped agents that run deployments using plugin binaries. Security features include single sign-on and role-based access control, and credentials stay outside the Control Plane. PipeCD is open source under Apache 2.0 and costs nothing. For private Git repositories, piped needs a private SSH key and its corresponding public key added to the repository.